package com.itheima.test;

/**
 * @Author: Ethan Yankang
 * @Program: JavaUtilsDiy
 * @Date: 2024-08-15 20:28
 **/
class TreeNode {
    int val;
    TreeNode left;
    TreeNode right;

    TreeNode() {
    }

    ;

    TreeNode(int val) {
        this.val = val;
    }
}
